<template>
    <div class="rank" ref="rank">
        <scroll class="toplist" :data="topList" ref="toplist">
           <ul>
               <li class="item" v-for="(item, index) in topList" :key="index" @click="selectItem(item)">
                   <div class="icon">
                       <img width="100" height="100" v-lazy="item.picUrl"/>
                   </div>
                   <ul class="songlist">
                       <li class="song" v-for="(song, index) in item.songList" :key="index">
                           <span>{{index + 1}}</span>
                           <span>{{song.songname}}--{{song.singername}}</span>
                       </li>
                   </ul>
               </li>
           </ul>
           <div class="loading-container" v-show="!topList.length">
               <loading></loading>
           </div>
        </scroll>
        <router-view></router-view>
    </div>
</template>


<script>
import {getTopList} from '@/api/rank'
import {ERR_OK} from '@/api/config'
import Scroll from '@/baseComponents/scroll/scroll'
import Loading from '@/baseComponents/loading/loading'
import {playlistMixin} from '@/common/js/mixin'
import {mapMutations} from 'vuex'

export default {
    mixins:[playlistMixin],
    components: {
       Scroll,
       Loading
    },
    data() {
       return {
           topList: []
       }
    },
    created() {
        this._getTopList()
    },
    methods: {
        handlePlaylist(playlist) {
            const bottom = playlist.length ? '60px' : ''
            this.$refs.rank.style.bottom = bottom
            this.$refs.toplist.refresh()
        },
        selectItem(item) {
            this.$router.push({
                path: `/rank/${item.id}`
            })
            this.setTopList(item)
        },
        _getTopList() {
            getTopList().then((res) => {
                if(res.code === ERR_OK){
                    // console.log(res.data.topList)
                    this.topList = res.data.topList
                }
            })
        },
        ...mapMutations({
           setTopList: 'SET_TOP_LIST'
        })
    }
}
</script>


<style lang="stylus" scoped>
  @import "../../common/stylus/variable"
  @import "../../common/stylus/mixin"

  .rank
    position: fixed
    width: 100%
    top: 88px
    bottom: 0
    .toplist
      height: 100%
      overflow: hidden
      .item
        display: flex
        margin: 0 20px
        padding-top: 20px
        height: 100px
        &:last-child
          padding-bottom: 20px
        .icon
          flex: 0 0 100px
          width: 100px
          height: 100px
        .songlist
          flex: 1
          display: flex
          flex-direction: column
          justify-content: center
          padding: 0 20px
          height: 100px
          overflow: hidden
          background: $color-highlight-background
          color: $color-text-d
          font-size: $font-size-small
          .song
            no-wrap()
            line-height: 26px
      .loading-container
        position: absolute
        width: 100%
        top: 50%
        transform: translateY(-50%)
</style>
